SMA MULTIFUNCTION RELAY - Manual (Page 23)

SMA Solar Technology AG 4 Electrical Connection
Installation Manual MFR-NR-IA-en-21 23
• Insert the cable gland from the outside into the
enclosure opening and tighten it from the inside
using the counter nut.
4. Slightly loosen the swivel nut of the cable gland and remove the sealing plug.
5. If the diameter of the connection cable is more than 8 mm, remove the internal seal insert from
the cable gland.
6. Route the cable into the inverter through the cable gland.
7. Dismantle the cable by no more than 15 mm.
8. Strip off the insulation of the conductors by no more than 8 mm.
9. Depending on the intended use (operating mode),
connect the cable to the connecting terminal plate
for connecting to the multifunction relay in
accordance with the wiring diagram.
10. Tighten the swivel nut of the cable gland.
11. Flip the display down.
12. For Sunny Tripower or Sunny Boy / Windy Boy
inverters: Tighten the screw of the display assembly.
13. Recommission the inverter (see inverter manual).